1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -triple i686-pc-win32 -fms-compatibility -fmsc-version=1700 %s 2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -triple i386-mingw32 %s 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc // Something in MSVC's headers (pulled in e.g. by <crtdefs.h>) defines __null 5*f4a2713aSLionel Sambuc // to something, mimick that. 6*f4a2713aSLionel Sambuc #define __null 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc #include <stddef.h> 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc // __null is used as a type annotation in MS headers, with __null defined to 11*f4a2713aSLionel Sambuc // nothing in regular builds. This should continue to work even with stddef.h 12*f4a2713aSLionel Sambuc // included. 13*f4a2713aSLionel Sambuc void f(__null void* p) { } 14*f4a2713aSLionel Sambuc 15*f4a2713aSLionel Sambuc // NULL should work fine even with __null defined to nothing. 16*f4a2713aSLionel Sambuc void* p = NULL; 17